CN110584627A - Head-mounted physiological parameter monitoring device and exercise reminding method based on target heart rate - Google Patents
Head-mounted physiological parameter monitoring device and exercise reminding method based on target heart rate Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1118—Determining activity level
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7405—Details of notification to user or communication with user or patient ; user input means using sound
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7455—Details of notification to user or communication with user or patient ; user input means characterised by tactile indication, e.g. vibration or electrical stimulation
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Abstract
The invention discloses a head-mounted physiological parameter monitoring device which comprises a head-mounted structure, a heart rate detection module, a main control module, a power supply module, a communication module and a feedback module, wherein the heart rate detection module, the main control module, the power supply module, the communication module and the feedback module are arranged at the head-mounted structure; the heart rate detection module is used for detecting a heart rate signal of a user wearing the monitoring device, and the main control module is used for judging whether to start the feedback module according to the detected heart rate signal. The invention also discloses a target heart rate-based exercise reminding method. According to the exercise reminding method based on the target heart rate, the heart rate of the user in the exercise process is continuously compared with the target heart rate range, so that whether the exercise amount of the user in the exercise process is reasonable or not is judged, and the target heart rate range is set according to parameters of the user, such as age, height, weight, physical condition and the like, so that the detection is more personalized, the user is helped to exercise scientifically, reasonably and safely, and the exercise effect is improved.
Description
Technical Field
The invention relates to the technical field of intelligent wearing, in particular to a head-mounted physiological parameter monitoring device and a target heart rate-based exercise reminding method.
Background
The heart rate is a very important human physiological parameter, is an index reflecting the running conditions of the heart and a cardiovascular system, and has important application in clinical diagnosis and treatment, rehabilitation medicine, exercise training, home monitoring, and basic research of life health in the fields of psychology and the like. With the improvement of the national standard of living and the enhancement of health consciousness, more and more people begin to pay attention to various sports to enhance the physique of the people, such as long-distance running. Reasonable exercise amount or heart load intensity and timely exercise time are emphasized, the exercise effect cannot be achieved if the exercise amount is insufficient, excessive exercise can cause excessive fatigue or even cause body damage, important parameter basis is provided for scientific exercise through real-time monitoring of heart rate, usual exercise or training can be guided, reasonable and scientific exercise amount is achieved, and besides, the heart rate index can also evaluate the physical fatigue degree and the body recovery condition after exercise. Wearable heart rate detection instruments available in the market at present mainly have two types, namely an electrocardiosignal and an optical blood oxygen signal, wherein the electrocardiosignal is easily interfered by the electromyography of a sport and has a complex and expensive structure; the latter mainly is integrated and is worn in the wrist at bracelet or wrist-watch form, like apple bracelet, millet bracelet etc. though cheap and very popular, nevertheless because the interference that the limbs motion caused can't detect real-time accurate rhythm of the heart information.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a head-mounted physiological parameter monitoring device which can more accurately acquire the physiological parameters of a human body in a motion state.
The second purpose of the invention is to provide a target heart rate-based exercise reminding method, which can set the exercise target heart rate according to the individuation of the user and provide the physiological parameters and exercise information function for the user in real time, so as to realize reasonable, scientific and safe exercise and improve the exercise effect.
One of the purposes of the invention is realized by adopting the following technical scheme:
a head-mounted physiological parameter monitoring device comprises a head-mounted structure, a heart rate detection module, a main control module, a power supply module, a communication module and a feedback module, wherein the heart rate detection module, the main control module, the power supply module, the communication module and the feedback module are arranged at the head-mounted structure; the power supply module, the heart rate detection module, the communication module and the feedback module are electrically connected with the main control module;
the monitoring device comprises a communication module, a heart rate detection module, a main control module and a feedback module, wherein the communication module is used for communicating with the intelligent terminal device, the communication module is integrated in the main control module in the case, the heart rate detection module is based on a photoelectric pulse wave principle and used for detecting heart rate signals of a user wearing the monitoring device, the main control module sends heart rate information to the intelligent terminal device through the integrated communication module, and the main control module is used for judging whether to start the feedback module to prompt the user according to the detected heart rate signals.
Further, the head-wearing structure is a headband or a hat; the head-wearing structure is also provided with a movable buckle or a telescopic belt, and the movable buckle or the telescopic belt is used for adjusting the tightness degree of the head-wearing structure; the head-mounted structure is a light-tight head-mounted structure.
Further, still include with host system electric connection's motion information module and orientation module, the motion information module is triaxial acceleration sensor, triaxial acceleration sensor is used for counting steps and carrying out gesture detection to the user, orientation module is used for fixing a position the user.
Furthermore, the communication module is a Bluetooth module and is integrated in the main control module; the heart rate detection module is a heart rate sensor; the model of the heart rate sensor is MAX 86150; the motion information module, the positioning module, the heart rate detection module, the main control module, the power supply module, the communication module and the feedback module are all arranged on the flexible circuit board; the flexible circuit board is fixedly connected with the head-wearing structure.
Furthermore, the flexible circuit board is fixedly embedded in the inner side of the head-mounted structure through transparent silica gel, and when a user wears the monitoring device, the heart rate detection module embedded in the transparent silica gel is attached to the head of the user to detect the heart rate signal of the user; the feedback module is a micro buzzer or a vibrator; the model of the main control module is DA 14580.
The second purpose of the invention is realized by adopting the following technical scheme:
a movement reminding method based on a target heart rate comprises the following steps:
a first receiving step: receiving parameter information set by a user, wherein the parameter information comprises age, weight, physical condition and the like;
a calculation step: calculating a target heart rate range according to the received parameter information;
a second receiving step: receiving a heart rate signal detected by a monitoring device;
and (3) comparison: constantly compare heart rate signal and target heart rate scope, when the heart rate signal that detects is not in the target heart rate within range, start feedback module in order to indicate user's physiology and motion information.
Further, the calculating step specifically comprises:
a first judgment step: judging whether the age of the user is larger than a preset value, if so, calculating the target heart rate range by adopting the following calculation formula: (170-age) to (180-age); if not, executing a second judgment step;
a second judgment step: judging whether the physical condition of the user is good, if so, calculating the target heart rate range by adopting the following calculation formula: [ (220-age) -static heart rate ] + P + static heart rate; the value range of P is 0-1, and the static heart rate is acquired through monitoring equipment or input by a user.
Further, in the first receiving step, the method further includes receiving the amount of exercise set by the user, and setting a value of P according to the amount of exercise; the exercise amount is divided into three levels of large, medium and small exercise amounts, the value range of P corresponding to the large exercise amount is 70-80%, the value range of P corresponding to the medium exercise amount is 60-70%, and the value range of P corresponding to the small exercise amount is 50-60%.
Further, in the second receiving step, the heart rate sampling rate of the monitoring device is set according to the detected heart rate signal, and the heart rate sampling rate is set to 13 gears according to the human heart rate range of 50-180 times/minute;
in the first receiving step, a measuring mode set by a user is received, wherein the measuring mode comprises the following steps: a motion mode, a normal mode and an acquisition mode; the exercise mode is that data are sent once every heartbeat in the heart rate, the common mode is that data are sent once every preset time, the preset time is 5 seconds or 10 seconds or 20 seconds, and in the acquisition mode, the heart rate sampling rate is 200 Hz.
Compared with the prior art, the invention has the beneficial effects that:
the head-mounted physiological parameter monitoring device disclosed by the invention has the advantages that the detection device is better attached to the forehead part through the head-mounted structure, and the relative movement between the head and the trunk is much smaller during the movement of a human body, so that the detected data in the whole monitoring process is more accurate; the exercise reminding method based on the target heart rate compares the heart rate of the user in the exercise process with the target heart rate range continuously, and then judges whether the exercise amount of the user in the exercise process is reasonable or not, and the target heart rate range is set according to the age and the physical condition of the user, so that the user can exercise scientifically, reasonably and safely, and the exercise effect is improved.
Drawings
FIG. 1 is a schematic block diagram of a first embodiment of a head-mounted physiological parameter monitoring device;
FIG. 2 is a rear view of the head-mounted physiological parameter monitoring device according to the first embodiment;
FIG. 3 is a front view of the head-mounted physiological parameter monitoring device according to the first embodiment;
FIG. 4 is a diagram illustrating the effect of the head-worn physiological parameter monitoring device according to the first embodiment;
fig. 5 is a flowchart of a second embodiment of the exercise reminding method based on the target heart rate.
Reference numerals: 1. a heart rate detection module; 2. a power supply module; 3. a main control module; 4. a power connection line; 5. a motion information module; 6. a feedback module; 7. a stretchable band; 8. a head-mounted structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example one
As shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a head-mounted physiological parameter monitoring device, which includes a head-mounted structure 8, a heart rate detecting module 1 disposed at the head-mounted structure 8, a main control module 3, a power module 2, a communication module and a feedback module 6; the power module 2, the heart rate detection module 1, the communication module and the feedback module 6 are electrically connected with the main control module 3; the power connecting wire 4 connects the power module 2 with other modules electrically, the power module 2 can also be a power management module, which is responsible for supplying power and prompting electric quantity, charging and the like for each module.
The communication module is used for communicating with intelligent terminal equipment, heart rate detection module 1 is used for detecting the heart rate signal of the user wearing the monitoring device, main control module 3 sends heart rate information to the intelligent terminal equipment through the communication module, and main control module 3 is used for judging whether to send a feedback signal to feedback module 6 according to the detected heart rate signal.
The head-wearing structure 8 is a headband or a hat; wear structure 8 department and still be provided with activity buckle or telescopic band 7, activity buckle or telescopic band 7 are used for adjusting wear structure 8's elasticity degree. In addition to the above-described structure, other designs may be provided, the primary purpose of which is to allow the monitoring device to be worn on the head of a user.
Still include with 3 electric connection's of host system motion information module and orientation module, the motion information module is triaxial acceleration sensor, triaxial acceleration sensor is used for counting steps and carrying out gesture detection to the user, orientation module is used for fixing a position the user.
The communication module is a Bluetooth module, and the heart rate detection module 1 is a heart rate sensor; the model of the heart rate sensor is MAX 86150; the motion information module, the positioning module, the heart rate detection module 1, the main control module 3, the power supply module 2, the communication module and the feedback module 6 are all arranged on the flexible circuit board; the flexible circuit board is fixedly connected with the head-wearing structure 8. Each module all adopts the design of flexible circuit board and integrated in mild silica gel, and the silica gel inboard inlays on having certain elastic silk matter bandeau, has better travelling comfort when guaranteeing to have good laminating with the human body, and the elastic cord is pasted to the magic that has the regulation elasticity degree at bandeau rear portion.
The flexible circuit board is embedded in the inner side of the head-mounted structure 8 through a transparent silica gel plate, and when a user wears the monitoring device, the heart rate detection module 1 in the transparent silica gel plate is attached to the skin of the head of the user to detect a heart rate signal of the user; the feedback module 6 is a micro buzzer or a vibrator; the model number of the main control module 3 is DA 14580. In this embodiment, the communication module may be an independent module, or may be directly integrated inside the main control module, and its main function is to implement communication with an external device. In this embodiment, it is preferable that the communication module is integrated inside the main control module to improve the integration of the device.
As shown in fig. 4, the switch of the power module 2 on the headband is turned on, the bluetooth communication unit (the main control module 3) at the headband is in communication pairing with the bluetooth of the mobile phone (APP application), after the pairing is successful, the APP is held by a user to set a measurement mode, a measurement starting instruction is sent, the heart rate module and the motion information module 5 are started to start acquisition work after the instruction is received by the main control module 3, namely the single chip microcomputer system, until the main control module 3 receives an acquisition stopping instruction sent by the mobile phone APP or the switch of the power module 2 is turned off, the acquisition work is stopped; in the period, the main control module 3 processes and analyzes the acquired data, the obtained heart rate and motion state information (step number) is transmitted in real time by Bluetooth communication (integrated in the main control chip), the Bluetooth of the mobile phone end receives the information, displays, analyzes and stores the information, and the parameter indexes are fed back in real time by the feedback module 6. The whole using process requires that the mobile phone is not away from the body or keeps a distance within 10 meters
The device of this embodiment can be wearable in general motion, and can provide accurate stable human heart rate measurement parameter's smart machine simultaneously, and this equipment can upload measured data in real time, can carry out the analysis again with data and feed back and save the result, the reference when providing the motion for the user.
The heart rate measurement is based on photoelectric blood oxygen signals, different from a bracelet or a watch, hardware facilities are integrated on head-wearing articles such as a head band and a sun hat, the head and the trunk do relatively small movement when a human body moves, meanwhile, the head-wearing articles such as the head band can be well attached to the forehead skin, the head-wearing articles have good anti-movement interference capability on common movement items such as running, walking and climbing (non-body contact countermovement items), and meanwhile, visible light shielding measures are taken on an optical path; the invention adopts a high-integration analog signal chip, an acceleration sensor, an ultra-low power consumption singlechip (integrating a Bluetooth data transmission module), a rechargeable polymer lithium battery and the like on hardware, adopts a flexible circuit board on circuit design, integrates the flexible circuit board on a transparent silica gel plate, and integrates a silica gel module on a head-wearing object such as a head band, a hat and the like. The user fixes the bandeau and adjusts the elastic cord at bandeau rear portion for the bandeau is worn the elasticity and is fit, opens cell-phone APP and bluetooth and can use.
Example two
As shown in fig. 5, this embodiment provides a method for reminding a user of exercise based on a target heart rate, which includes the following steps:
s1: receiving parameter information set by a user, wherein the parameter information comprises age, height, weight and physical condition; in the first receiving step, the method further comprises the steps of receiving the amount of exercise set by a user, and setting a numerical value of P according to the amount of exercise; in the embodiment, the exercise amount is divided into three levels, namely a large exercise amount, a medium exercise amount and a small exercise amount, the value range of P corresponding to the large exercise amount is 70-80%, the value range of P corresponding to the medium exercise amount is 60-70%, and the value range of P corresponding to the small exercise amount is 50-60%.
In step S1, the method further includes receiving a measurement mode set by a user, where the measurement mode includes: a motion mode, a normal mode and an acquisition mode; the motion mode is that data is sent once every heartbeat, the common mode is that data is sent once every preset time, and the preset time is 5 seconds, 10 seconds or 20 seconds; in the acquisition mode, the heart rate sampling rate is 200 Hz. Three main types are adopted, and the movement mode is as follows: the mode is beat-by-beat measurement, namely the heart rate sends data once per beat, which is called as real-time heart rate and is suitable for the motion state; a normal mode: the individual can independently select three conditions of sending the result once in 5 seconds, sending the result once in 10 seconds and sending the result once in 20 seconds, and the method is suitable for measurement of sports, home and the like. An acquisition mode; the mode sends the heart rate value in real time one by one and sends the photoelectric signal analog-to-digital conversion value of the heart rate to the mobile phone end point by point, so that the mobile phone end can further analyze, process and store the value, and the method is suitable for data analysis and research.
S2: calculating a target heart rate range according to the received parameter information; the step S2 specifically includes:
a first judgment step: judging whether the age of the user is larger than a preset value, if so, calculating the target heart rate range by adopting the following calculation formula: (170-age) to (180-age); if not, executing a second judgment step;
a second judgment step: judging whether the physical condition of the user is good, if so, calculating the target heart rate range by adopting the following calculation formula: [ (220-age) -static heart rate ] + P + static heart rate; the value range of P is 0-1, and the static heart rate is acquired through monitoring equipment or input by a user.
S3: receiving a heart rate signal detected by a monitoring device; in the second receiving step, the heart rate sampling rate of the monitoring device is set according to the detected heart rate signal, and the heart rate sampling rate is set to 13 gears according to the human heart rate range of 50-180 times/minute; the human body is in a quiet state for about 75 times/minute, the long-term physical exerciser even has 50-60 times/minute, and the heart rate of the human body can reach 120-180 times/minute in a motion state with a difference of 2-3 times; obviously, under the condition of fixed sampling rate, oversampling can be generated for data acquisition in low heart rate, and undersampling can be generated in high heart rate value, so that self-adaptive real-time adjustment of the sampling rate according to individual difference is very important, and the problem that data redundancy or undersampling caused by oversampling can be avoided to amplify the calculation error of the heart rate value; in order to realize the self-adaptive real-time adjustment of the sampling rate, the invention adjusts the sampling rate according to the heart rate value measured in real time, and the specific realization process is as follows:
the basic sampling rate value S0 (unit: Hz), namely the initial heart rate value R0 (unit: times/minute), can theoretically ensure that the heart rate calculation error caused by the sampling rate interval is kept at plus or minus 1 time/minute; a real-time sampling rate S, adjusted according to the average heart rate R over a period of time (set to 1 minute); the sampling rate adjustment is set to 13 gears according to the heart rate of a normal person for 50-180 times/min, namely the sampling rate S of the average heart rate R for 50-59 times/min in 1 min is 60Hz, and so on, the sampling rate S is set to 180Hz when the heart rate R is 170-179 times/min, the sampling rate is not adjusted when the heart rate is beyond the range, and a fixed sampling rate of 200Hz is adopted in the acquisition mode. The self-adaptive adjustment of the sampling rate can ensure that the calculation error of the heart rate value is controlled to be +/-1 time/minute, simultaneously avoid the redundancy or undersampling of data, ensure the accuracy of the measurement of the heart rate value and effectively reduce the calculation power consumption of the main control unit.
S4: constantly compare heart rate signal and target heart rate scope, when the heart rate signal that detects is not in the target heart rate within range, send feedback information and remind the user. The personalized target heart rate is an effective and safe exercise heart rate value when the function of a cardiovascular circulation system is improved through aerobic exercise, namely exercise intensity can be reflected by a heart rate index, and the exercise intensity is well controlled, namely the exercise effect is vital through setting a proper exercise target heart rate.
When healthy and good-physique crowds, the target heart rate is controlled to be 120-180 times/minute, and the method can be divided into the following steps: the small exercise amount is 120-140 times/min, the medium exercise amount is 141-160 times/min, and the large exercise amount is 161-180 times/min. According to individual differences, because the static heart rate is different from the age, a calculation formula is adopted: [ (220-age) -static heart rate ] + P + static heart rate; wherein the static heart rate can be actually measured in a quiet state, and P is 50-80%, and is respectively 50-60%, 60-70% and 70-80% according to small, medium and large exercise amount. And if the patient is 30 years old and the static heart rate is 70 times/min, calculating the target heart rate of the small exercise amount to be 130-142 times/min.
And aiming at the middle-aged and old people or chronic disease population, the target heart rate calculation formula is as follows: (170-age) - (180-age), such as 70 years old, according to the formula aerobic exercise heart rate is controlled at 100-. Parameters of the target heart rate are set by the mobile phone terminal APP according to individual conditions such as age, height, weight and the like, and are sent to the main control system to calculate the target heart rate value, or a motion target heart rate interval is set by the user; when the exercise heart rate reaches or exceeds the set target heart rate, starting a feedback module to perform vibration and sound prompt so as to help a user to control the exercise amount, wherein the actual heart rate is always within the range of the target heart rate in the exercise process; the user can do scientific, reasonable and safe sports, and the sports effect of the user is greatly improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A head-mounted physiological parameter monitoring device is characterized by comprising a head-mounted structure, a heart rate detection module, a main control module, a power supply module, a communication module and a feedback module, wherein the heart rate detection module, the main control module, the power supply module, the communication module and the feedback module are arranged at the head-mounted structure; the power supply module, the heart rate detection module, the communication module and the feedback module are electrically connected with the main control module;
the communication module is used for communicating with intelligent equipment, the heart rate detection module is used for detecting a heart rate signal of a user wearing the monitoring device, the main control module sends extracted heart rate information to the intelligent terminal equipment through the communication module, and the main control module is used for judging whether to start the feedback module according to the detected heart rate information and giving a user information prompt.
2. The head-worn physiological parameter monitoring device of claim 1, wherein the head-worn structure is a headband or a hat; the head-wearing structure is also provided with a movable buckle or a telescopic belt, and the movable buckle or the telescopic belt is used for adjusting the tightness degree of the head-wearing structure; the head-mounted structure is a light-tight head-mounted structure.
3. The head-mounted physiological parameter monitoring device according to claim 1, further comprising a motion information module and a positioning module electrically connected to the main control module, wherein the motion information module is a three-axis acceleration sensor, the three-axis acceleration sensor is used for step counting and gesture detection of the user, and the positioning module is used for positioning the user.
4. The head-mounted physiological parameter monitoring device of claim 3, wherein the communication module is a Bluetooth module, and the heart rate detection module is a heart rate sensor; the model of the heart rate sensor is MAX 86150; the motion information module, the positioning module, the heart rate detection module, the main control module, the power supply module, the communication module and the feedback module are all arranged on the flexible circuit board; the flexible circuit board is fixedly connected with the head-wearing structure.
5. The head-mounted physiological parameter monitoring device according to claim 1, wherein the flexible circuit board is embedded inside the head-mounted structure through a transparent silicone plate, and when a user wears the monitoring device, a heart rate detection module in the transparent silicone plate is attached to the skin of the head of the user to detect a heart rate signal of the user; the feedback module is a micro buzzer or a vibrator; the model of the main control module is DA 14580.
6. A movement reminding method based on a target heart rate is characterized by comprising the following steps:
a first receiving step: receiving parameter information set by a user, wherein the parameter information comprises age, height, weight and physical condition;
a calculation step: calculating a target heart rate range according to the received parameter information;
a second receiving step: receiving a heart rate signal detected by a monitoring device;
and (3) comparison: constantly compare heart rate signal and target heart rate scope, when the heart rate signal that detects is not in the target heart rate within range, start feedback and remind the user.
7. The method for reminding exercise based on target heart rate as claimed in claim 6, wherein the calculating step is specifically as follows:
a first judgment step: judging whether the age of the user is larger than a preset value, if so, calculating the target heart rate range by adopting the following calculation formula: (170-age) to (180-age); if not, executing a second judgment step;
a second judgment step: judging whether the physical condition of the user is good, if so, calculating the target heart rate range by adopting the following calculation formula: [ (220-age) -static heart rate ] + P + static heart rate; the value range of P is 0-1, and the static heart rate is acquired through monitoring equipment or input by a user.
8. The method for reminding exercise based on target heart rate as claimed in claim 7, wherein the first receiving step further comprises receiving the amount of exercise set by the user, and setting the value of P according to the amount of exercise; the exercise amount is divided into three levels of large, medium and small exercise amounts, the value range of P corresponding to the large exercise amount is 70-80%, the value range of P corresponding to the medium exercise amount is 60-70%, and the value range of P corresponding to the small exercise amount is 50-60%.
9. The method for reminding exercise based on target heart rate as claimed in claim 6, wherein in the second receiving step, the heart rate sampling rate of the monitoring device is set according to the detected heart rate signal, and the heart rate sampling rate is set to 13 gears according to the human heart rate range of 50-180 times/minute;
in the first receiving step, a measuring mode set by a user is received, wherein the measuring mode comprises the following steps: a motion mode, a normal mode and an acquisition mode; the motion mode is that data is sent once every heartbeat, the common mode is that data is sent once every preset time, and the preset time is 5 seconds, 10 seconds or 20 seconds; in the acquisition mode, the heart rate sampling rate is 200 Hz.
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